Margaret of Sweden, also Martha, Margareta, Margaretha or Märta/Märtha, may refer to:
Martha of Denmark or Martha, Queen consort of Sweden 1298 Margaret I of Denmark, Queen consort 1363 and ruler 1389 Margaret Leijonhufvud, Queen consort of Sweden 1536 Margaret Fredkulla, Swedish princess, died 1130 Margaret of Sweden, Queen of Norway, Swedish princess, died 1209 Margaret, Swedish princess, died 1288, daughter of King Valdemar of Sweden, nun Margaret, Swedish princess 1448, daughter of King Charles VIII of Sweden Margaret of Denmark, Queen of Scotland, Swedish princess 1457 Margareta Elizabeth, Princess of Sweden 1580, daughter of King Charles IX of Sweden (died young) Princess Margaretha of Sweden, Princess of Sweden and Norway 1899 Princess Märtha of Sweden, Princess of Sweden and Norway 1901 Princess Margaret of Connaught, Crown Princess of Sweden 1907 Princess Margaretha, Mrs. Ambler, Princess of Sweden 1934